Datasheet AD1938 (Analog Devices) - 5

Data Sheet AD1938 DIGITAL INPUT/OUTPUT SPECIFICATIONS
−40°C < TC < +125°C, DVDD = 3.3 V ± 10%.
Table 4. Parameter Conditions/Comments Min Typ Max Unit
High Level Input Voltage (VIH) 2.0 V High Level Input Voltage (VIH) MCLKI/XI pin 2.2 V Low Level Input Voltage (VIL) 0.8 V Input Leakage IIH @ VIH = 2.4 V 10 µA IIL @ VIL = 0.8 V 10 µA High Level Output Voltage (VOH) IOH = 1 mA DVDD − 0.60 V Low Level Output Voltage (VOL) IOL = 1 mA 0.4 V Input Capacitance 5 pF
POWER SUPPLY SPECIFICATIONS Table 5. Parameter Conditions/Comments Min Typ Max Unit
SUPPLIES Voltage DVDD 3.0 3.3 3.6 V AVDD 3.0 3.3 3.6 V Digital Current Master clock = 256 fS Normal Operation fS = 48 kHz 56 mA fS = 96 kHz 65 mA fS = 192 kHz 95 mA Power-Down fS = 48 kHz to 192 kHz 2.0 mA Analog Current Normal Operation 74 mA Power-Down 23 mA DISSIPATION Operation Master clock = 256 fS, 48 kHz All Supplies 429 mW Digital Supply 185 mW Analog Supply 244 mW Power-Down, All Supplies 83 mW POWER SUPPLY REJECTION RATIO Signal at Analog Supply Pins 1 kHz, 200 mV p-p 50 dB 20 kHz, 200 mV p-p 50 dB Rev. E | Page 5 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Test Conditions Analog Performance Specifications Crystal Oscillator Specifications Digital Input/Output Specifications Power Supply Specifications Digital Filters Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Analog-to-Digital Converters (ADCs) Digital-to-Analog Converters (DACs) Clock Signals Reset and Power-Down Serial Control Port Power Supply and Voltage Reference Serial Data Ports—Data Format Time-Division Multiplexed (TDM) Modes Daisy-Chain Mode Control Registers Definitions PLL and Clock Control Registers DAC Control Registers ADC Control Registers Additional Modes Applications Circuits Outline Dimensions Ordering Guide Automotive Products